[GHC] #5765: ghc-cabal build failure with nonsense error message

[GHC]

#5765: ghc-cabal build failure with nonsense error message
---------------------------------+------------------------------------------
 Reporter:  jimstutt             |          Owner:          
     Type:  bug                  |         Status:  new     
 Priority:  normal               |      Component:  Compiler
  Version:  7.2.2                |       Keywords:          
       Os:  Unknown/Multiple     |   Architecture:  x86     
  Failure:  Building GHC failed  |       Testcase:          
Blockedby:                       |       Blocking:          
  Related:                       |  
---------------------------------+------------------------------------------
 Trying to install a second user instance of ghc-7.2.2 from
 ghc-7.2.2-src.tar.bz2 with config.mk.in edited to integer-simple and
 $GHC_PACKAGE_PATH set gives the following message:

 "Configuring Cabal-1.12.0... ghc-cabal: At least the following
 dependencies are missing
 base >=4 && <3 && >=2 && <5
 filepath  >=1 && < 1.3
 unix >= 2.0 && <2.6
 make[1]: ** [libraries/Cabal/cabal/dist-boot/package-data.mk] Error 1
 make: ***[all] Error 1"

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5765>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler